<template>
  <div class="login-container">
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      auto-complete="on"
      label-position="left"
    >

      <div class="title-container">
        <h3 class="title">
          <img src="@/assets/common/login-logo.png" alt="">
        </h3>
      </div>

      <el-form-item prop="mobile">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="username"
          v-model="loginForm.mobile"
          placeholder="Username"
          name="username"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="Password"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
        </span>
      </el-form-item>

      <el-button
        :loading="loading"
        type="primary"
        style="width:100%;margin-bottom:30px;background:#4278fe;padding:20px 0;font-size:25px;"
        @click.native.prevent="handleLogin"
      >登录</el-button>

      <el-button
        class="btn"
        :loading="loading"
        type="primary"
        style="width:100%;margin-bottom:30px;background: linear-gradient(2700deg, #03a9f4, #f441a5, #ffeb3b, #03a9f4); padding:20px 0;font-size:25px;"
        @click.native.prevent="handleLogin"
      >登录</el-button>

      <div class="tips">
        还没有账号？ 立即注册
      </div>

    </el-form>
  </div>
</template>

<script>
import {
  validUsername
} from '@/utils/validate'

export default {
  name: 'Login',
  data() {
    const validateMobile = (rule, value, callback) => {
      if (!value) {
        //  判断表单有不有值
        return callback(new Error('请输入手机号'))
      } else {
        //  判断手机的格式
        var reg = /^(0|86|17951)?(13[0-9]|15[012356789]|166|17[3678]|18[0-9]|14[57])[0-9]{8}$/
        var flag = reg.test(value)
        if (!flag) {
          return callback(new Error('请输入合法手机号'))
        }
        callback()
      }
    }

    return {
      loginForm: {
        mobile: '13800000002',
        password: '123456'
      },
      loginRules: {
        mobile: [{
          validator: validateMobile,
          trigger: 'blur'
        }],
        password: [{
          required: true,
          message: '请输入密码',
          trigger: 'blur'
        },
        {
          min: 3,
          max: 15,
          message: '长度在 3 到 15 个字符',
          trigger: 'blur'
        }
        ]
      },
      loading: false,
      passwordType: 'password'
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true
          this.$store.dispatch('user/login', this.loginForm).then(() => {
            this.$router.push({
              path: '/'
            })
            this.loading = false
          }).catch(() => {
            this.loading = false
          })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    }
  }
}

</script>

<style lang="scss">
  /* 修复input 背景不协调 和光标变色 */
  /* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

  $bg:#283443;
  $light_gray:#fff;
  $cursor: #fff;

  @supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
    .login-container .el-input input {
      color: $cursor;
    }
  }

  /* reset element-ui css */
  .login-container {
    .el-input {
      display: inline-block;
      height: 47px;
      width: 85%;

      input {
        background: transparent;
        border: 0px;
        -webkit-appearance: none;
        border-radius: 0px;
        padding: 12px 5px 12px 15px;
        color: #4f8efc;
        height: 47px;
        // caret-color: $cursor;

        &:-webkit-autofill {
          box-shadow: 0 0 0px 1000px $bg inset !important;
          -webkit-text-fill-color: $cursor !important;
        }
      }
    }

    .el-form-item {
      border: 1px solid rgba(255, 255, 255, 0.1);
      background: rgba(0, 0, 0, 0.1);
      border-radius: 5px;
      color: #5f5454;

      .el-form-item__content {
        background-color: rgba(241, 235, 235, 0.8);
        border-radius: 5px;
      }
    }
  }

	// // .btn{
	// // 	position: absolute;
  // //   top: 50%;
  // //   left: 50%;
  // //   transform: translate(-50%, -50%);
	// // }

	// // .btn:hover {
  // //   animation: animate 8s linear infinite;
  // // }
	// @keyframes animate {
  //   0% {
  //     background-position: 0%;
  //   }

  //   100% {
  //     background-position: 400%;
  //   }
  // }

</style>

<style lang="scss" scoped>
  $bg:#2d3a4b;
  $dark_gray:#889aa4;
  $light_gray:#eee;

  .login-container {
    min-height: 100%;
    width: 100%;
    // background-color: $bg;
    background: url('~@/assets/common/login.jpg') no-repeat 50% 50%;
    overflow: hidden;

    .login-form {
      position: relative;
      width: 520px;
      max-width: 100%;
      padding: 160px 35px 0;
      margin: 0 auto;
      overflow: hidden;
    }

    .tips {
      font-size: 14px;
      color: #fff;
      margin-bottom: 10px;
      text-align: center;
      font-size: 15px;
    }

    .svg-container {
      padding: 6px 5px 6px 15px;
      color: $dark_gray;
      vertical-align: middle;
      width: 30px;
      display: inline-block;
    }

    .title-container {
      position: relative;

      .title {
        font-size: 26px;
        color: $light_gray;
        margin: 0px auto 40px auto;
        text-align: center;
        font-weight: bold;
      }
    }

    .show-pwd {
      position: absolute;
      right: 10px;
      top: 7px;
      font-size: 16px;
      color: $dark_gray;
      cursor: pointer;
      user-select: none;
    }
  }

</style>
